Our thru-transom silent choice exhaust diverter system is a great way to go, giving you a performance sound when you want it, and ultra quiet when you need it. Depending on what power package you are running we got you covered, our silent choice exhaust diverters are designed to fit either Mercury or Volvo small block or big block engines. Once you have selected your engine manufacturer you will be able to chose from our many different options of boat exhaust tips or marine mufflers to give you the right silent choice kit to fit your application. If you don’t see what you are looking for, give us a call at or email us at dbuckley@kbperf.com, we will be more than happy to help you out.